package cn.edu.zafu.bigdata.x.zcy_0217;

class Mydate{
    private int day;
    private int month;
    private int year;

    public String getDate(){
        return day+"/"+month+"/"+year;
    }
    public int setDate(int a,int b,int c){
        if ((a>0&&a<=31)&&(b>0&&b<=12)){
            day=a;
            month=b;
            year=c;
            return 0;
        }else{
            return -1;
        }
    }
}

public class zcy_4_2 {
    public static void main(String[] args){
        Mydate d =new Mydate();
        if (d.setDate(22,5,2009)==0){
            System.out.println(d.getDate());
        }
    }
}
